Quite possibly, yes.
When Howe and Howe Tech were commissioned to build a high speed super tank for the military, its answer was the “Ripsaw.” Winner of invention of the year, it is the fastest dual tracked vehicle ever made, boasting 12 inches of suspension travel, a 600-hp diesel engine and luxurious interior. The Extreme Vehicle 2 (EV2) is handcrafted in a limited run, a luxury super tank for extreme offroading enthusiasts.
Built to order, it takes up to six months to complete and costs hundreds of thousands of dollars, depending on spec. Check it out in action and decide for yourself if it's the most extreme vehicle ever built.